package org.example.uploadfile.utils;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.InputStream;


/**
 * 阿里云OSS工具类
 */
@Component
public class AliOssUtil {
 
    //@Value("${aliyun.oss.endpoint}")
    private static String endpoint;
    //@Value("${aliyun.oss.accessKeyId}")
    private static String accessKeyId;
    //@Value("${aliyun.oss.accessKeySecret}")
    private static String accessKeySecret;
    //@Value("${aliyun.oss.bucketName}")
    private static String bucketName;
 
    @Value("${aliyun.oss.endpoint}")
    public void setEndpoint(String endpoint) {
        AliOssUtil.endpoint = endpoint;
    }
 
    @Value("${aliyun.oss.accessKeyId}")
    public void setAccessKeyId(String accessKeyId) {
        AliOssUtil.accessKeyId = accessKeyId;
    }
 
    @Value("${aliyun.oss.bucketName}")
    public void setBucketName(String bucketName) {
        AliOssUtil.bucketName = bucketName;
    }
 
    @Value("${aliyun.oss.accessKeySecret}")
    public void setAccessKeySecret(String accessKeySecret) {
        AliOssUtil.accessKeySecret = accessKeySecret;
    }
 
 
    //上传文件,返回文件的公网访问地址
    public static String uploadFile(String objectName, InputStream inputStream){
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint,accessKeyId,accessKeySecret);
        //公文访问地址
        String url = "";
        try {
            // 创建存储空间。
            ossClient.createBucket(bucketName);
            ossClient.putObject(bucketName, objectName, inputStream);
            url = "https://"+bucketName+"."+endpoint.substring(endpoint.lastIndexOf("/")+1)+"/"+objectName;
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return url;
    }
}